Perfluocarbon
[化] 全氟化碳
🗣️ 情景例句
Is that one of the things Susan and Harry are bringing?
那是不是属于Susan和Harry要带的？
We know not what is good until we have lost it.
有的时候不爱惜，失了以后空叹息。
Tommy had already swallowed them!
汤米已经把硬币咽了下去！